Evaluation of a surveillance system

Steps of an evaluation

1. Understand the trigger
2. Plan the evaluation
3. Perform the evaluation
4. Propose an action plan

Typical triggers for an evaluation?

• Missed outbreak
• Increased disease importance
• Occurrence of new public health event
• Cost saving
• Requirement to evaluate (IHR)
• New technology

What attributes should be monitored?

• Depends on the trigger
• Many attributes are costly
• Keep the balance of attributes in mind

Perform the evaluation

1. Start with a evaluation protocol
2. Describe the system
3. Engate stakeholders
4. Set up a team
5. Look at each attribute in its own way

Evaluation protocol

Propose an action plan

• An evaluation is objective oriented
• It should focus on improving the system